United Kingdom, Nov. 6 -- Alstom, global leader in smart and sustainable mobility, is celebrating after opening a new train component overhaul and repair facility inside its Crewe Works. Alongside a state-of-the-art area for refurbishing heating, ventilation and air conditioning (HVAC) units, Alstom has also developed a suite of new offices as part of a multi-million pound investment for the future of the Cheshire town's historic site.HVAC AreaAn HVAC unit controls a train's air temperature, humidity and quality. These systems work by drawing in air, heating or cooling it, and then circulating it back into a carriage, while also managing ventilation and filtration. Alstom's newly-installed equipment in Crewe enables trains' HVAC units to be...